Distributed Energy Resources (DER) Update Behind the Meter Generation (BtMG) Visibility

Transcription

1 Distributed Energy Resources (DER) Update Behind the Meter Generation (BtMG) Visibility MIC-DER Special Session Andrew Ford Model Management Dept. PJM Interconnection

2 Impact of DER on PJM processes Address system issues to avoid manual load dump Request for DER output Example local capacity shortage in MI where DER can mitigate (Sturgis) Operational awareness understand grid situation for future dispatch actions & communication Example PEPCO low voltage issue that resulted in DER output which appeared as load drop. Improve real time and long term forecast or better understand forecast errors Improve RTEP load flow studies Administer Non-Retail Behind the Meter Generation ( NRBTMG ) rules DER represents BTMG/NRBTMG (including batteries) not transparent or controlled by PJM (Does not include generation that went through PJM queue OR participates through DR) 2

3 2013 Sept. Behind-the-Meter Event 46 Excessive line flow and load observed Sturgis Load (MW) Action 2: City of Sturgis implements Voluntary Customer Load Curtailment Action 1: City of Sturgis starts 6 MW behind-themeter unit Reduced load and line flow observed 37 11:00 12:00 13:00 14:00 3

4 Behind-the-Meter Generation Data Collection Scope : Transmission Owners Public Utility Commissions Behind-the-Meter facilities includes batteries Details collected: Energy Information Agency BTM Database Generator Attribute Tracking System Location, capacity, nearest substation, time-to-start, mode of operation. Number of identified units: ~425 units Total capacity of identified units: ~3500 MW 4

5 Data Options being considered EMS Data modeling Energy Management System modeling attributes: Visibility on individual single line Shows connectivity Telemetry can indicate operation Negative load to not negatively impact State Estimator solution Tabular list based on BTM naming Visibility and Operational Awareness Coordinated effort to enhance communications during critical operational periods DIMA Data modeling Dispatch Interactive Map Application (DIMA), visually shows area maps for Weather, Line Outages, Demand Resources, Gas Pipeline, and BtMG resources. 5

6 Behind-the-Meter Visibility at PJM Behind-the-meter plants added to display Dispatch Interactive Map Application (DIMA) 6

7 Behind-the-Meter Visibility at PJM Ability to search for behind-the-meter plants in specific zone Dispatch Interactive Map Application (DIMA) 7

8 BtMG Technical information and Data submission Two Items: 1. BtMG PJM Position Technical Paper 2. Data submission form 8

9 High Level Process Overview: EMS processing PJM Manual 3A, Section and Appendix D has specifics. EMS Real-Time Model 9

10 BES Location EMS Node Location 10

11 EMS Discussion Example 11

12 BtMG Data Form Description of each data entry field is given in PJM Manual 3A, Appendix D. 12

13 Non-Retail Behind the Meter Generation ( NRBTMG ) What is NRBTMG? BTMG that is used by municipal electric systems, electric cooperatives, and electric distribution companies to serve load Total amount eligible to net generation against load is capped. Should operate during maximum emergency generation events Current PJM process Members should notify PJM of NRBTMG and associated output. Model in EMS or maintain separate list, depending on level of information. 13

14 Next Steps 1. Develop and enhance process to keep information accurate and current (need TO/EDC assistance) EMS vs DIMA to manage the information Non-Retail Behind the Meter Generation and retail Behind the Meter Generation reporting process. Evaluate enhancements to BtMG form 2. Refine load forecast process with DER information, as applicable. 3. Coordinate with MIC-DER special session regarding process enhancements and changes. Work in progress more to follow 14